/Engine/Source/Developer/IoStoreUtilities/Public/IoStoreUtilities.h
bool ProcessFilesFromIoStoreContainer ( const TCHAR * InContainerFilename, const TCHAR * InDestPath, const [FKeyChain](API\Runtime\Core\Misc\FKeyChain) & InKeyChain, const [FString](API\Runtime\Core\Containers\FString) * InFilter, [TFunction](API\Runtime\Core\GenericPlatform\TFunction)< bool(const [FString](API\Runtime\Core\Containers\FString) &, const [FString](API\Runtime\Core\Containers\FString) &, const [FIoChunkId](API\Runtime\Core\IO\FIoChunkId) &, const uint8 *, uint64)> FileProcessFunc, [TMap](API\Runtime\Core\Containers\TMap)< [FString](API\Runtime\Core\Containers\FString), uint64 > * OutOrderMap, [TArray](API\Runtime\Core\Containers\TArray)< [FGuid](API\Runtime\Core\Misc\FGuid) > * OutUsedEncryptionKeys, bool * bOutIsSigned, int32 MaxConcurrentReaders )